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Lambda Sensors / Probes
By OE Match
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
Restore accurate exhaust-gas monitoring and dependable engine-management operation with this OE Match Lambda Probe for Turbocharger. Designed for compatible turbocharged Porsche applications, this lambda probe monitors oxygen content within the exhaust gases and supplies this information to the engine control unit (ECU).
Fits:
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
Diagram Ref No 13
Also known as an oxygen sensor, O2 sensor or lambda sensor, the probe operates within the high-temperature turbocharger and exhaust environment. Accurate lambda information helps the engine-management system monitor combustion conditions, manage fuelling where applicable and maintain effective emissions-system operation.
Turbocharged engines place particularly high demands on exhaust-system sensors. Extreme temperatures, vibration, rapid thermal cycling and combustion deposits can gradually cause a lambda probe to become contaminated, slow to respond or electrically defective.
A deteriorating sensor may continue to produce a signal while no longer responding accurately enough for reliable engine management. The internal heater circuit, wiring and electrical connector can also suffer from age and prolonged heat exposure.
This OE Match Lambda Probe provides a high-quality replacement for a confirmed faulty, contaminated or slow-response sensor.
What This Product Does:
- Measures oxygen content within the exhaust gases.
- Sends exhaust-condition information to the ECU.
- Helps the engine-management system monitor combustion.
- Supports accurate air-fuel mixture management where applicable.
- Helps identify rich or lean operating conditions.
- Supports efficient turbocharged engine operation.
- Helps maintain controlled exhaust emissions.
- Provides information for onboard diagnostics.
- Supports correct emissions-system operation.
- Helps protect exhaust and catalyst components from incorrect running conditions.
- Operates within the high-temperature turbocharger/exhaust environment.
- Replaces a slow, contaminated, inaccurate or failed lambda probe.
- Provides a Porsche replacement component for compatible applications.
- Check engine or engine-management warning light.
- Lambda or oxygen-sensor diagnostic fault codes.
- Rich or lean mixture fault codes.
- Increased fuel consumption.
- Rough or unstable idle.
- Engine hesitation.
- Poor throttle response.
- Reduced engine performance.
- Inconsistent power delivery.
- Engine misfires.
- Increased exhaust emissions.
- Failed emissions test.
- Strong fuel smell from the exhaust.
- Slow lambda response during diagnostic testing.
- Implausible oxygen-sensor readings.
- Intermittent sensor signals.
- Lambda sensor heater circuit faults.
- Damaged or heat-affected wiring.
- Corroded or damaged electrical connectors.
Why Replacement Matters:
- The lambda probe provides the ECU with important information about conditions within the exhaust system.
- A sensor does not always fail suddenly. As it deteriorates, it may continue generating a signal but become increasingly slow or inaccurate.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PAC906262A
The product you are viewing cross references to these numbers
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
The OE MATCH Lambda Sensor, After Catalytic Converter is an OEM-quality emissions control sensor designed to monitor the oxygen content of exhaust gases after they have passed through the catalytic converter. Commonly referred to as a post-catalyst oxygen sensor, it provides vital feedback to the engine control unit (ECU) regarding catalytic converter efficiency and overall emissions system performance.
Fits:
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
Diagram Ref No 6
Located downstream of the catalytic converter, the OE MATCH sensor continuously measures residual oxygen levels in the exhaust stream. This allows the ECU to evaluate catalyst effectiveness, detect emissions-related faults, and ensure the vehicle operates within manufacturer emissions specifications. It delivers accurate readings, reliable performance, and long service life.
What This Product Does:
- Monitors oxygen levels in exhaust gases after the catalytic converter
- Measures catalytic converter efficiency and performance
- Provides real-time data to the engine control unit (ECU)
- Supports emissions control system diagnostics and monitoring
- Helps maintain compliance with emissions regulations
- Assists in identifying catalyst and exhaust system faults
Symptoms Of Wear Or Failure:
- Check engine light illumination
- Catalytic converter efficiency fault codes
- Failed emissions or MOT tests
- Increased exhaust emissions
- Oxygen sensor-related diagnostic trouble codes (DTCs)
- Engine management warning messages
- Incorrect catalytic converter monitoring data
- Potential reduction in fuel economy in some applications
Why Replacement Matters:
- Restores precise exhaust oxygen monitoring
- Ensures accurate catalytic converter efficiency assessment
- Helps maintain emissions compliance and MOT readiness
- Prevents persistent engine management warning lights
- Supports correct operation of the emissions control system
- Allows early detection of catalyst and exhaust-related issues
- Reduces harmful exhaust emissions
- Maintains long-term reliability of the engine management and emissions systems
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
8K0906262G
The product you are viewing cross references to these numbers
OEMatch Lambda Sensors / Probes — Fit, Function, Confidence
OEMatch Lambda Sensors / Probes components are compatible replacements engineered to original-spec dimensions and tolerances — a practical option when genuine or OEM parts are unavailable. Lambda sensors measure oxygen in exhaust gases and report to the engine control unit so fuel injection and ignition are adjusted for correct combustion in Porsche models, helping to maintain efficient running and emissions control.
Available Types
- Narrowband heated zirconia sensors for stoichiometric control
- Wideband (UEGO) sensors for precise air-fuel ratio feedback
- Pre-catalyst and post-catalyst probes for exhaust monitoring
Understanding OEMatch Lambda Sensors / Probes
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original lambda sensors / probes.
OE (Original Equipment) refers to parts matching original specifications for the lambda sensors / probes and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM lambda sensors / probes engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Lambda sensors detect oxygen content in exhaust gases and provide a feedback signal used by the ECU to regulate fuel delivery and maintain correct combustion. Sensor designs vary by application; heated elements assist rapid warm-up, while wideband units offer greater resolution for tuning and diagnostics. Correct sensor operation supports catalytic converter efficiency and engine management across a range of Porsche engines.
Benefits Include
- Restores accurate air-fuel control for stable idle and part-throttle response
- Helps reduce emissions and supports catalytic converter protection
- Improves fuel economy by enabling correct mixture control
Why Lambda Sensors / Probes Wear and Fail
- Contamination of the sensing element by oil, coolant or deposits
- Thermal cycling and element degradation from repeated extreme temperatures
- Wiring damage, connector corrosion or poor electrical contact
The Importance of Replacing with OEMatch Lambda Sensors / Probes
Replacing a degraded sensor restores reliable feedback to the ECU, reduces the risk of poor combustion or catalytic converter damage and helps keep emissions within expected limits for Porsche models. OEMatch supplies sensors chosen for compatibility with Porsche mounting and electrical interfaces to simplify replacement while supporting accurate air-fuel control.
Advantages
- Direct-fit options that match factory mounting points and electrical connections
- Available with heated elements or wideband sensing for specific applications
- Corrosion-resistant housings and common connector types for straightforward installation
